Add test for non-formation of 'ff' ligature.

Also remove unused and tested touchups from the Android
touchup script.

1 files changed, 14 insertions, 0 deletions

diff --git a/scripts/run_general_tests.py b/scripts/run_general_tests.py
index 18c4c29..ed327bb 100755
--- a/scripts/run_general_tests.py
+++ b/scripts/run_general_tests.py
@@ -8,6 +8,7 @@ from fontTools import ttLib
 from nototools import coverage
 from nototools import font_data
 
+import layout
 
 def load_fonts():
     """Load all major fonts."""
@@ -109,5 +110,18 @@ class TestCharacterCoverage(unittest.TestCase):
                 'U+2117 not found in %s.' % font_data.font_name(font))
 
 
+class TestLigatures(unittest.TestCase):
+    """Tests formation or lack of formation of ligatures."""
+
+    def setUp(self):
+        self.fontfiles, _ = load_fonts()
+
+    def test_lack_of_ff_ligature(self):
+        """Tests that the ff ligature is not formed by default."""
+        for fontfile in self.fontfiles:
+            advances = layout.get_advances('ff', fontfile)
+            self.assertEqual(len(advances), 2)
+
+
 if __name__ == '__main__':
     unittest.main()